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15790422050 = 25213213672
BaseRepresentation
bin11101011010010111…
…01011100000100010
31111202110110112220022
432231023223200202
5224314322001200
611130511313442
71066205241614
oct165513534042
944673415808
1015790422050
116773310887
12308821b882
131648527500
14a9b1b8db4
156263e8885
hex3ad2eb822

15790422050 has 54 divisors (see below), whose sum is σ = 31826500083. Its totient is φ = 5826044640.

The previous prime is 15790422049. The next prime is 15790422059. The reversal of 15790422050 is 5022409751.

15790422050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 988536481 + 14801885569 = 31441^2 + 121663^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=88855.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15790422050.

It is not an unprimeable number, because it can be changed into a prime (15790422059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11550467 + ... + 11551833.

Almost surely, 215790422050 is an apocalyptic number.

15790422050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15790422050 is an abundant number, since it is smaller than the sum of its proper divisors (16036078033).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15790422050 is an equidigital number, since it uses as much as digits as its factorization.

15790422050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 15790422050 in words is "fifteen billion, seven hundred ninety million, four hundred twenty-two thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 169 325 338 650 845 1367 1690 2734 4225 6835 8450 13670 17771 34175 35542 68350 88855 177710 231023 444275 462046 888550 1155115 1868689 2310230 3737378 5775575 9343445 11551150 18686890 24292957 46717225 48585914 93434450 121464785 242929570 315808441 607323925 631616882 1214647850 1579042205 3158084410 7895211025 15790422050